a) What does the acronym LASER stand for? b) What is a laser?
PHYSICS
WAEC 2018
a) What does the acronym LASER stand for?
b) What is a laser?
Explanation
(a) LASER - Light Amplification by Stimulated Emission of Radiation.
(b) A laser is a device that generates an intense beam of coherent monochromatic light.
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